/*
package com.qf.xxx.task;

import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;

@Component
public class SayHelloScheduler {

    @Scheduled(cron = "0/3 * * * * ?")
    public void sayHello(){
        // 竞争锁资源 -> 分布式锁
        System.out.println("Hello!!!!");
    }


}
*/
